Quote:
Originally Posted by Ashikabi
I'm gonna assume OEMs do it to simplify plumbing, reduce noise, possibly safety, computerized feedback for check engine lights, and surviving repeated exposures to being 99% empty. I'm sure there are some other reasons. But the point is, aftermarket/race applications don't have the same concerns as OEM. Standalones probably do it so they can mesh with OE systems
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Pwm is better in every way.
Two 285 Walbros push 4.5 gallons a minute hooked to a relay, why would you want that at idle? They also would use 35amps at 40psi base pressure at idle together.